factor/basis/io/mmap/mmap-tests.factor

USING: alien.c-types alien.data compiler.tree.debugger
io.encodings.ascii io.files io.mmap kernel locals math sequences
sequences.private specialized-arrays
specialized-arrays.instances.alien.c-types.uint tools.test ;

SPECIALIZED-ARRAY: uint

[| path |
    "12345" path ascii set-file-contents
    { } [ path [ char <mapped-array> CHAR: 2 0 pick set-nth drop ] with-mapped-file ] unit-test
    { 5 } [ path [ char <mapped-array> length ] with-mapped-file ] unit-test
    { 5 } [ path [ char <mapped-array> length ] with-mapped-file-reader ] unit-test
    { "22345" } [ path ascii file-contents ] unit-test
    { t } [ path uint [ sum ] with-mapped-array integer? ] unit-test
    { t } [ path uint [ sum ] with-mapped-array-reader integer? ] unit-test
] with-test-file

[| path |
    [ path [ drop ] with-mapped-file ] [ bad-mmap-size? ] must-fail-with
] with-test-file

{ t } [
    [ "test.txt" <mapped-file> void* <c-direct-array> first-unsafe ]
    { nth-unsafe } inlined?
] unit-test